<template>
  <div>
    <!-- 商品分类全局组件 -->
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a>全部结果</a>
            </li>
          </ul>
          <!--面包屑的位置-->
          <ul class="fl sui-tag">
            <!-- 分类面包屑的数据 -->
            <li class="with-x" v-show="searchParams.categoryName">
              {{ searchParams.categoryName }}<i @click="removeCategory">×</i>
            </li>
            <!-- 关键字的面包屑 -->
            <li class="with-x" v-show="searchParams.keyword">
              {{ searchParams.keyword }}<i @click="removeKeyword">×</i>
            </li>
            <!-- 品牌相关的面包屑 -->
            <li class="with-x" v-show="searchParams.trademark">
              {{ searchParams.trademark.split(":")[1]
              }}<i @click="removeTradeMark">×</i>
            </li>
            <!-- 平台属性的面包屑 -->
            <li
              class="with-x"
              v-for="(item, index) in searchParams.props"
              :key="index"
            >
              {{ item.split(":")[1] }}<i @click="removeProps(index)">×</i>
            </li>
          </ul>
        </div>
        <!--子组件:展示平台属性与属性值地方-->
        <SearchSelector @getTradeMark="getTradeMark" @getAttr="getAttr" />
        <!--底部:排序|商品|分页器的结构-->
        <div class="details clearfix">
          <!-- 排序的结构 -->
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{ active: isOne }" @click="sortHandler('1')">
                  <a>综合<span v-show="isOne" class="iconfont" :class="{ 'icon-jiantou_xiangxia': isDesc,'icon-jiantou_xiangshang': isAsc}"></span></a>
                </li>
                <li :class="{ active: isTwo }" @click="sortHandler('2')">
                  <a
                    >价格<span
                      v-show="isTwo"
                      class="iconfont"
                      :class="{
                        'icon-jiantou_xiangxia': isDesc,
                        'icon-jiantou_xiangshang': isAsc,
                      }"
                    ></span
                  ></a>
                </li>
              </ul>
            </div>
          </div>
          <!-- 商品地方 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <!-- 每一个li代表一个商品 -->
              <li
                class="yui3-u-1-5"
                v-for="(goods, index) in goodsArr"
                :key="goods.id"
              >
                <div class="list-wrap">
                  <div class="p-img">
                    <a>
                      <img :src="goods.defaultImg" />
                    </a>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ goods.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a :title="goods.title">{{ goods.title }}</a>
                  </div>
                  <div class="commit">
                    <i class="command"
                      >已有<span>{{ goods.id ** 3 }}</span
                      >人评价</i
                    >
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <div class="fr page">分页器</div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
  import SearchSelector from "./SearchSelector/SearchSelector";
  //辅助函数
  import { mapState } from "vuex";
  export default {
    name: "Search",
    data() {
      return {
        //商品分类搜索的条件---对象
        searchParams: {
          category1Id: "",
          category2Id: "",
          category3Id: "",
          categoryName: "",
          keyword: "",
          props: [],
          trademark: "",
          order: "1:desc", //排序
          pageNo: 1, //页码
          pageSize: 10, //每一页的条数
        },
      };
    },
    components: {
      SearchSelector,
    },
    beforeMount() {
      //在发请求之前收集搜索的条件[分类:query参数]
      // this.searchParams.categoryName = this.$route.query.categoryName;
      // this.searchParams.category1Id = this.$route.query.category1Id;
      // this.searchParams.category2Id = this.$route.query.category2Id;
      // this.searchParams.category3Id = this.$route.query.category3Id;
      // //在发请求之前收集关键字的条件[关键字:params参数]
      // this.searchParams.keyword = this.$route.params.keyword;
      //收集分类(query)与关键字(params)搜索的条件
      Object.assign(this.searchParams, this.$route.query, this.$route.params);
    },
    //组件挂载完毕
    mounted() {
      //派发actions:获取搜索商品的数据
      this.getGoods();
    },
    //计算属性
    computed: {
      ...mapState({
        goodsArr: (state) => state.search.goods.goodsList,
      }),
      //计算order是否包含数字1:综合
      isOne() {
        return this.searchParams.order.indexOf("1") != -1;
      },
      //计算order是否包含数字2:价格
      isTwo() {
        return this.searchParams.order.indexOf("2") != -1;
      },
      //计算order是否包含asc:升序
      isAsc() {
        return this.searchParams.order.indexOf("asc") != -1;
      },
      //计算order是否包含desc:降序
      isDesc() {
        return this.searchParams.order.indexOf("desc") != -1;
      },
    },
    //方法
    methods: {
      //获取搜索商品的数据
      getGoods() {
        this.$store.dispatch("getGoods", this.searchParams);
      },
      //分类面包屑叉子回调
      removeCategory() {
        //分类的搜索条件清空:设置为undefined发请求的时候携带参数K不会携带
        //$route属性只读的readOnly
        this.searchParams.category1Id = undefined;
        this.searchParams.category2Id = undefined;
        this.searchParams.category3Id = undefined;
        this.searchParams.categoryName = undefined;
        //路由跳转:要把分类query参数清除
        this.$router.push({ name: "search", params: this.$route.params });
        //不需要再次发请求获取搜索商品,因为上面语句导致URL的query发生变化,
        //watch可以监听到变化,会再次发请求获取到搜索商品
      },
      //关键字面包屑的叉子回调
      removeKeyword() {
        //清空关键字
        this.searchParams.keyword = undefined;
        //路由跳转清空params
        this.$router.push({ name: "search", query: this.$route.query });

        //通知兄弟组件Header清空关键字:组件通信全局事件总线
        //第一个参数:事件的类型 第二参数:传递参数
        this.$bus.$emit("clear");
      },
      //子组件自定义事件回调
      getTradeMark({ tmId, tmName }) {
        //父组件:收集品牌的搜索的条件
        this.searchParams.trademark = `${tmId}:${tmName}`;
        //再次发请求获取相应品牌数据
        this.getGoods();
      },
      //品牌面包屑叉子的回调
      removeTradeMark() {
        //清空品牌的搜索条件
        this.searchParams.trademark = "";
        //再次发请求获取数据
        this.getGoods();
      },
      //子组件自定义事件回调:获取平台属性与属性值
      getAttr(props) {
        //儿子传递过来的属性与属性值在数组当中没有出现
        if (!this.searchParams.props.includes(props)) {
          //收集平台属性搜索条件
          this.searchParams.props.push(props);
          //发请求获取数据
          this.getGoods();
        }
      },
      //平台属性面包屑的叉子
      removeProps(index) {
        //清除平台属性的搜索条件
        this.searchParams.props.splice(index, 1);
        //再次发请求
        this.getGoods();
      },
      //排序的回调
      sortHandler(type) {
        //我要判断用户点击的是高亮或者不是高亮区分
        //起始的高亮与起始箭头方向
        const originType = this.searchParams.order.split(":")[0];//1
        const originArrow = this.searchParams.order.split(":")[1];//desc
        //准备一个参数:用来收集最新的排序的数据
        let newOrder = "";
        //点击的是高亮
        if (originType == type) {
          newOrder = `${originType}:${originArrow == "desc" ? 'asc' : 'desc'}`;
        } else {
          //点击不是高亮的
          newOrder = `${type}:desc`;
        }
        //收集参数:响应式数据,数据变化视图才跟这变化
        this.searchParams.order = newOrder;
        //再次发请求
        this.getGoods();
      },
    },
    //监听数据
    watch: {
      //监听路由变化:分类(query)|关键字(params)说明用户进行下一次搜索
      $route() {
        //再次收集分类与关键字的搜索条件
        Object.assign(this.searchParams, this.$route.query, this.$route.params);
        //立马再次发请求获取搜索的条件
        this.getGoods();
      },
    },
  };
</script>

<style lang="less" scoped>
  .main {
    margin: 10px 0;

    .py-container {
      width: 1200px;
      margin: 0 auto;

      .bread {
        margin-bottom: 5px;
        overflow: hidden;

        .sui-breadcrumb {
          padding: 3px 15px;
          margin: 0;
          font-weight: 400;
          border-radius: 3px;
          float: left;

          li {
            display: inline-block;
            line-height: 18px;

            a {
              color: #666;
              text-decoration: none;

              &:hover {
                color: #4cb9fc;
              }
            }
          }
        }

        .sui-tag {
          margin-top: -5px;
          list-style: none;
          font-size: 0;
          line-height: 0;
          padding: 5px 0 0;
          margin-bottom: 18px;
          float: left;

          .with-x {
            font-size: 12px;
            margin: 0 5px 5px 0;
            display: inline-block;
            overflow: hidden;
            color: #000;
            background: #f7f7f7;
            padding: 0 7px;
            height: 20px;
            line-height: 20px;
            border: 1px solid #dedede;
            white-space: nowrap;
            transition: color 400ms;
            cursor: pointer;

            i {
              margin-left: 10px;
              cursor: pointer;
              font: 400 14px tahoma;
              display: inline-block;
              height: 100%;
              vertical-align: middle;
            }

            &:hover {
              color: #28a3ef;
            }
          }
        }
      }

      .details {
        margin-bottom: 5px;

        .sui-navbar {
          overflow: visible;
          margin-bottom: 0;

          .filter {
            min-height: 40px;
            padding-right: 20px;
            background: #fbfbfb;
            border: 1px solid #e2e2e2;
            padding-left: 0;
            border-radius: 0;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

            .sui-nav {
              position: relative;
              left: 0;
              display: block;
              float: left;
              margin: 0 10px 0 0;

              li {
                float: left;
                line-height: 18px;

                a {
                  display: block;
                  cursor: pointer;
                  padding: 11px 15px;
                  color: #777;
                  text-decoration: none;
                }

                &.active {
                  a {
                    background: #e1251b;
                    color: #fff;
                  }
                }
              }
            }
          }
        }

        .goods-list {
          margin: 20px 0;

          ul {
            display: flex;
            flex-wrap: wrap;

            li {
              height: 100%;
              width: 20%;
              margin-top: 10px;
              line-height: 28px;

              .list-wrap {
                .p-img {
                  padding-left: 15px;
                  width: 215px;
                  height: 255px;

                  a {
                    color: #666;

                    img {
                      max-width: 100%;
                      height: auto;
                      vertical-align: middle;
                    }
                  }
                }

                .price {
                  padding-left: 15px;
                  font-size: 18px;
                  color: #c81623;

                  strong {
                    font-weight: 700;

                    i {
                      margin-left: -5px;
                    }
                  }
                }

                .attr {
                  padding-left: 15px;
                  width: 85%;
                  overflow: hidden;
                  margin-bottom: 8px;
                  min-height: 38px;
                  cursor: pointer;
                  line-height: 1.8;
                  display: -webkit-box;
                  -webkit-box-orient: vertical;
                  -webkit-line-clamp: 2;

                  a {
                    color: #333;
                    text-decoration: none;
                  }
                }

                .commit {
                  padding-left: 15px;
                  height: 22px;
                  font-size: 13px;
                  color: #a7a7a7;

                  span {
                    font-weight: 700;
                    color: #646fb0;
                  }
                }

                .operate {
                  padding: 12px 15px;

                  .sui-btn {
                    display: inline-block;
                    padding: 2px 14px;
                    box-sizing: border-box;
                    margin-bottom: 0;
                    font-size: 12px;
                    line-height: 18px;
                    text-align: center;
                    vertical-align: middle;
                    cursor: pointer;
                    border-radius: 0;
                    background-color: transparent;
                    margin-right: 15px;
                  }

                  .btn-bordered {
                    min-width: 85px;
                    background-color: transparent;
                    border: 1px solid #8c8c8c;
                    color: #8c8c8c;

                    &:hover {
                      border: 1px solid #666;
                      color: #fff !important;
                      background-color: #666;
                      text-decoration: none;
                    }
                  }

                  .btn-danger {
                    border: 1px solid #e1251b;
                    color: #e1251b;

                    &:hover {
                      border: 1px solid #e1251b;
                      background-color: #e1251b;
                      color: white !important;
                      text-decoration: none;
                    }
                  }
                }
              }
            }
          }
        }

        .page {
          width: 733px;
          height: 66px;
          overflow: hidden;
          float: right;

          .sui-pagination {
            margin: 18px 0;

            ul {
              margin-left: 0;
              margin-bottom: 0;
              vertical-align: middle;
              width: 490px;
              float: left;

              li {
                line-height: 18px;
                display: inline-block;

                a {
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  border: 1px solid #e0e9ee;
                  margin-left: -1px;
                  font-size: 14px;
                  padding: 9px 18px;
                  color: #333;
                }

                &.active {
                  a {
                    background-color: #fff;
                    color: #e1251b;
                    border-color: #fff;
                    cursor: default;
                  }
                }

                &.prev {
                  a {
                    background-color: #fafafa;
                  }
                }

                &.disabled {
                  a {
                    color: #999;
                    cursor: default;
                  }
                }

                &.dotted {
                  span {
                    margin-left: -1px;
                    position: relative;
                    float: left;
                    line-height: 18px;
                    text-decoration: none;
                    background-color: #fff;
                    font-size: 14px;
                    border: 0;
                    padding: 9px 18px;
                    color: #333;
                  }
                }

                &.next {
                  a {
                    background-color: #fafafa;
                  }
                }
              }
            }

            div {
              color: #333;
              font-size: 14px;
              float: right;
              width: 241px;
            }
          }
        }
      }
    }
  }
</style>
